Understand your health and take action to improve with Fitbit Charge 3 – an advanced health and fitness tracker that uses 24/7 heart rate and personalised insights to reveal what's below the surface. Fitbit Charge 3 has a battery life of up to 7 days. Saves 7 days of detailed motion data – minute by minute. Saves daily totals for the last 30 days. Stores heart rate data at one-second intervals during exercise tracking and at five-second intervals all other times. Fitbit Charge 3 is water resistant to 50 metres. Fitbit Charge 3 syncs automatically and wirelessly to computers and more than 200 leading iOS, Android and Windows devices using Bluetooth LE wireless technology. Features: All-Day Calorie Burn. 24/7 Heart Rate. 15+ Goal-Based Exercise Modes. Sleep Tracking & Stages. Guided Breathing Sessions. Heart Rate Zones. Automatic Exercise Recognition. Water Resistant to 50M. Cardio Fitness Level. Female Health Tracking. Fitbit Pay. Smartphone Notifications. All-Day Activity Tracking. Real-Time Pace and Distance. Reminders to Move. Smart Experiences.
Sensors & Components: 3-axis accelerometer. Optical heart rate monitor. Altimeter. Vibration motor. Relative SpO2 sensor. Battery type: Lithium-polymer. Charge time (0-100%): Two hours. Radio transceiver: Bluetooth 4.0. Syncing range: Up to 6m. Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, Android 4.3 and later and Windows 10 devices. The Fitbit Charge 3 comes with Classic wristband in both sizes small and large. Charging cable.
Small Band: Fits wrists 140mm - 180mm in circumference. Large Band: Fits wrists 180mm - 220mm in circumference. Screen Window Diagonal: 39.83mm. Screen Window Size: 19.9 x 34.5mm.